From 1d8e03d359fd07edc884ffc45d42d60be9d9f098 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 2 May 2015 19:48:56 -0400 Subject: [PATCH] namei: trim redundant arguments of trailing_symlink() Signed-off-by: Al Viro --- fs/namei.c | 21 ++++++++------------- 1 file changed, 8 insertions(+), 13 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index d4b238a58739..8c4f2af3a71a 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1971,14 +1971,15 @@ static void path_cleanup(struct nameidata *nd) fput(nd->base); } -static int trailing_symlink(struct path *link, struct nameidata *nd, void **p) +static int trailing_symlink(struct nameidata *nd) { const char *s; - int error = may_follow_link(link, nd); + int error = may_follow_link(&nd->link, nd); if (unlikely(error)) return error; nd->flags |= LOOKUP_PARENT; - s = get_link(link, nd, p); + nd->stack[0].link = nd->link; + s = get_link(&nd->stack[0].link, nd, &nd->stack[0].cookie); if (unlikely(IS_ERR(s))) return PTR_ERR(s); if (unlikely(!s)) @@ -1994,7 +1995,7 @@ static int trailing_symlink(struct path *link, struct nameidata *nd, void **p) nd->inode = nd->path.dentry->d_inode; error = link_path_walk(s, nd); if (unlikely(error)) - put_link(nd, link, *p); + put_link(nd, &nd->stack[0].link, nd->stack[0].cookie); return error; } @@ -2031,9 +2032,7 @@ static int path_lookupat(int dfd, const struct filename *name, if (!err && !(flags & LOOKUP_PARENT)) { err = lookup_last(nd); while (err > 0) { - nd->stack[0].link = nd->link; - err = trailing_symlink(&nd->stack[0].link, - nd, &nd->stack[0].cookie); + err = trailing_symlink(nd); if (err) break; err = lookup_last(nd); @@ -2377,9 +2376,7 @@ path_mountpoint(int dfd, const struct filename *name, struct path *path, err = mountpoint_last(nd, path); while (err > 0) { - nd->stack[0].link = nd->link; - err = trailing_symlink(&nd->stack[0].link, - nd, &nd->stack[0].cookie); + err = trailing_symlink(nd); if (err) break; err = mountpoint_last(nd, path); @@ -3261,9 +3258,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, error = do_last(nd, file, op, &opened, pathname); while (unlikely(error > 0)) { /* trailing symlink */ nd->flags &= ~(LOOKUP_OPEN|LOOKUP_CREATE|LOOKUP_EXCL); - nd->stack[0].link = nd->link; - error= trailing_symlink(&nd->stack[0].link, - nd, &nd->stack[0].cookie); + error = trailing_symlink(nd); if (unlikely(error)) break; error = do_last(nd, file, op, &opened, pathname); -- 2.30.2